Is it possible to install a 6.5 inch subwoofer into my door panels, instead of having a box in my Car taking up room? I have 2 doors and 2 6.5s = 13 inches of cone area, so I'm thinking that's more cone area than one 12 inch, moving more air, and it should be cleaner because they're small. Am I right?

they would probably fit with an adapter. when you run speakers that way, they have to be able to perform without needing an enclosure. that's where the pros here come into play to recommend you something

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The door can be an enclosure but you would have to heavily sound deaden the doors or build a fiberglass enclosure into the door thats completely sealed off. Both will be fairly time consuming and materials can get costly. Buy a small eight or ten that is suitable for small sealed boxes like the tc epic 8 or maybe a fi q 10. Both would get louder and sound great doing it. I have seen four 6 1/2 subs in a box attached to the top of the truck so they where out of the way and everyone thought they were two tens. There are many different options for you for all different prices. How much are you willing to spend and what Car do you drive so maybe we can help you find something to suite your needs.

Why don't you want to use a box? That is the best thing to do lol. If you want to put subs somewhere other than the trunk in your car the next option would be to put some 8's in the rear deck but that would require way more effort than just building a good box and putting a 12 in it.

Sorry, I wasn't trying to insult you or demean your idea in anyway. We all have derp moments (which you'll realize you did in a moment), particularly when we're young (I'm damn near twice your age btw).

Simple mathematics. Surface area of a circle = Radius squared times Pi.

6.5" sub: 3.25 x 3.25 = 10.5625 x 3.14 = 33.16625sqin.

12" sub: 6 x 6 = 36 x 3.14 = 113.04sqin.

So you would need 4 6.5" subs to get slightly more surface area than a 12" sub. However, a typical 12" sub has 74sqin of surface area due to the surround decreasing the overall cone size. And the same applies to 6.5's. They typically would be 20sqin. Plus the larger the surround, the smaller the cone area. And even a small decrease in the diameter can make a huge drop in area.

If you are set on not having a box in the back, you could go for 8's in the doors, but you'd need to do a fiberglass custom enclosure for them. TC Epic 8's spring to mind if you want SQ. They have around 50sqin of cone area, so 1 8 in each door would have more cone area than 2 6.5's in each door. The 8's would also work in the same volume as the 6.5's.

Sorry, I wasn't trying to insult you or demean your idea in anyway. We all have derp moments (which you'll realize you did in a moment), particularly when we're young (I'm damn near twice your age btw).

Simple mathematics. Surface area of a circle = Radius squared times Pi.

6.5" sub: 3.25 x 3.25 = 10.5625 x 3.14 = 33.16625sqin.

12" sub: 6 x 6 = 36 x 3.14 = 113.04sqin.

So you would need 4 6.5" subs to get slightly more surface area than a 12" sub. However, a typical 12" sub has 74sqin of surface area due to the surround decreasing the overall cone size. And the same applies to 6.5's. They typically would be 20sqin. Plus the larger the surround, the smaller the cone area. And even a small decrease in the diameter can make a huge drop in area.

If you are set on not having a box in the back, you could go for 8's in the doors, but you'd need to do a fiberglass custom enclosure for them. TC Epic 8's spring to mind if you want SQ. They have around 50sqin of cone area, so 1 8 in each door would have more cone area than 2 6.5's in each door. The 8's would also work in the same volume as the 6.5's.

You could also get 2 Epic 8's for around the price of 2 DD 6.5's.

The epic 8 would probably be way too deep for doors. You could easily fit a 12 inch shallow mount with a custom fiberglass pod. But again lots of work. Its actually not that hard to build a box in the rear deck of a trunked car.. that would be a better option.

The epic 8 would probably be way too deep for doors. You could easily fit a 12 inch shallow mount with a custom fiberglass pod. But again lots of work. Its actually not that hard to build a box in the rear deck of a trunked car.. that would be a better option.

I know 8's would be deep but depending on the car door and how much leg room he wants to sacrifice, it could be done. Just take a look at Sventz's car.